Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e08y0je/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f936ec51-defd-4d8e-a4b0-b950e8b66d59",
      "cw-84c53537-796c-4551-981b-1a885eb41441"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cd3b55d3-6759-4107-9497-1924829a9341",
    "manifestId": "https://dam.iuav.it/iuav/containers/e08y0je/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-84c53537-796c-4551-981b-1a885eb41441"
  }
}